Summary
The pattern of cell proliferation and cell movements inDrosophila embryogenesis has been analysed with the aim of constructing a blastoderm fate map. Post-blastoderm cell proliferation starts at gastrulation and ends around the stage of germ band shortening. Three mitotic waves affect the embryonic cells according to a constant spatio-temporal pattern. For any of these waves mitotic activity starts at well-defined loci, which have been called mitotic centres. During the first and second mitotic waves all cells undergo mitosis, except for those of the amnioserosa, which do not proliferate at all. The third wave spares most of the ectodermal cells. Neuroblasts, progenitors of epidermal sensilla and germ line cells show their own, different pattern of proliferation.
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Hartenstein, V., Campos-Ortega, J.A. Fate-mapping in wild-typeDrosophila melanogaster . Wilhelm Roux' Archiv 194, 181–195 (1985). https://doi.org/10.1007/BF00848246
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DOI: https://doi.org/10.1007/BF00848246